Fifth generation (DJ) Heavy Duty

2021 Ram 2500 towing capacity

Max towing, 202120,000 lb

Maker9,072 kg

The 2021 Ram 2500 tows up to 20,000 lb (Tradesman Regular Cab 8 ft box 6.7L Cummins I6 turbo diesel 4x2, per Ram’s “2021 Ram 2500 6.4L / 6.7L Base Weight GCW Trailer Tow, body builder instruction dated 10/28/2020”).

Three more configurations are rated the same.

The lowest rating is 10,440 lb, for the Power Wagon Crew Cab 6 ft 4 in box 6.4L HEMI V8 4x4 with the RamBox.

2021 Ram 2500 (DJ) 6.4L / 6.7L Base Weight GCW Trailer Tow, body builder instruction dated 10/28/2020 (Ram_HD-2500-DJ_Trailer-Tow-Weight-Chart_MY21)

Configurations: 15
Payload: 1,520–4,010 lb
GCWR: 18,000–27,980 lb

2026 Ram 2500 Rebel in white, front three-quarter view — Photo: Elise240SX, CC BY-SA 4.0, via Wikimedia Commons, resized.

01 / Ratings

Every 2021 Ram 2500 configuration

15 configurations Ram sells, each with the ratings Ram publishes for it. A package that changes a rating gets its own row.

Engine

Cab

Drive

Showing 32 of 32 rows

2021 Ram 2500

Makerin pounds

2021 Ram 2500 towing capacity, GCWR, payload and tongue weight by configuration, in pounds
Configuration	Max towing lb	GCWR lb	Max payload lb	GVWR lb	Axle ratio	Tow check
6.4L HEMI V8
TradesmanRegular Cab · 8 ft box · 4x2with 3.73 axle ratio	15,040	21,500	4,010	10,000	3.73	Check load →
TradesmanRegular Cab · 8 ft box · 4x2with 4.10 axle ratio	17,540	24,000	4,010	10,000	4.10	Check load →
TradesmanRegular Cab · 8 ft box · 4x4with 3.73 axle ratio	14,720	21,500	3,690	10,000	3.73	Check load →
TradesmanRegular Cab · 8 ft box · 4x4with 4.10 axle ratio	17,220	24,000	3,690	10,000	4.10	Check load →
TradesmanCrew Cab · 6 ft 4 in box · 4x2with 3.73 axle ratio	14,690	21,500	3,660	10,000	3.73	Check load →
TradesmanCrew Cab · 6 ft 4 in box · 4x2with 4.10 axle ratio	17,190	24,000	3,660	10,000	4.10	Check load →
TradesmanCrew Cab · 6 ft 4 in box · 4x2with 3.73 axle ratio + RamBox	14,570	21,500	3,540	10,000	3.73	Check load →
TradesmanCrew Cab · 6 ft 4 in box · 4x2with 4.10 axle ratio + RamBox	17,070	24,000	3,540	10,000	4.10	Check load →
TradesmanCrew Cab · 6 ft 4 in box · 4x4with 3.73 axle ratio	14,390	21,500	3,360	10,000	3.73	Check load →
TradesmanCrew Cab · 6 ft 4 in box · 4x4with 4.10 axle ratio	16,890	24,000	3,360	10,000	4.10	Check load →
TradesmanCrew Cab · 6 ft 4 in box · 4x4with 3.73 axle ratio + RamBox	14,260	21,500	3,230	10,000	3.73	Check load →
TradesmanCrew Cab · 6 ft 4 in box · 4x4with 4.10 axle ratio + RamBox	16,760	24,000	3,230	10,000	4.10	Check load →
Power WagonCrew Cab · 6 ft 4 in box · 4x4	10,590	18,000	1,630	8,565	4.10	Check load →
Power WagonCrew Cab · 6 ft 4 in box · 4x4with RamBox	10,440	18,000	1,520	8,565	4.10	Check load →
TradesmanCrew Cab · 8 ft box · 4x2with 3.73 axle ratio	14,560	21,500	3,530	10,000	3.73	Check load →
TradesmanCrew Cab · 8 ft box · 4x2with 4.10 axle ratio	17,060	24,000	3,530	10,000	4.10	Check load →
TradesmanCrew Cab · 8 ft box · 4x4with 3.73 axle ratio	14,200	21,500	3,170	10,000	3.73	Check load →
TradesmanCrew Cab · 8 ft box · 4x4with 4.10 axle ratio	16,700	24,000	3,170	10,000	4.10	Check load →
Big HornMega Cab · 6 ft 4 in box · 4x4with 3.73 axle ratio	13,970	21,500	2,940	10,000	3.73	Check load →
Big HornMega Cab · 6 ft 4 in box · 4x4with 4.10 axle ratio	16,460	24,000	2,940	10,000	4.10	Check load →
Big HornMega Cab · 6 ft 4 in box · 4x4with 3.73 axle ratio + RamBox	13,840	21,500	2,810	10,000	3.73	Check load →
Big HornMega Cab · 6 ft 4 in box · 4x4with 4.10 axle ratio + RamBox	16,330	24,000	2,810	10,000	4.10	Check load →
6.7L Cummins I6 turbo diesel
Tradesman MostRegular Cab · 8 ft box · 4x2	20,000	27,320	3,160	10,000	3.73	Check load →
TradesmanRegular Cab · 8 ft box · 4x4	19,990	27,650	2,810	10,000	3.73	Check load →
Tradesman MostCrew Cab · 6 ft 4 in box · 4x2	20,000	27,700	2,780	10,000	3.73	Check load →
TradesmanCrew Cab · 6 ft 4 in box · 4x2with RamBox	19,240	27,700	2,670	10,000	3.73	Check load →
Tradesman MostCrew Cab · 6 ft 4 in box · 4x4	20,000	27,980	2,500	10,000	3.73	Check load →
TradesmanCrew Cab · 6 ft 4 in box · 4x4with RamBox	18,920	27,980	2,370	10,000	3.73	Check load →
Tradesman MostCrew Cab · 8 ft box · 4x2	20,000	27,840	2,640	10,000	3.73	Check load →
TradesmanCrew Cab · 8 ft box · 4x4	18,230	26,400	2,310	10,000	3.73	Check load →
Big HornMega Cab · 6 ft 4 in box · 4x4	15,690	24,240	2,040	10,000	3.73	Check load →
Big HornMega Cab · 6 ft 4 in box · 4x4with RamBox	14,560	24,240	1,930	10,000	3.73	Check load →

“Not published”: the maker doesn’t print it. —: not in the documents we hold yet. Scroll the table sideways for every rating.

SourceMakerEvery figure above is Ram’s, from this document.

2021 Ram 2500 (DJ) 6.4L / 6.7L Base Weight GCW Trailer Tow, body builder instruction dated 10/28/2020 (Ram_HD-2500-DJ_Trailer-Tow-Weight-Chart_MY21) · FCA US LLC (Stellantis North America)

How Ram rates towing: Max. Trailer Weight column, SAE J2807.

Documents last checked Oct 9, 2026. How we read them and what the marks mean: how we source the numbers. A figure doesn’t match its document? Report a wrong number.

The 2021 Ram 2500 belongs to this generation; every configuration, its clearance, angles and weights are on its page.

Ram 2500 DJ (2019–present): full specs

02 / Why

Which one tows the most, and why

Each figure below is the gap between two of Ram’s own ratings for configurations that differ in one thing only.

What moves the rating

Maker

Tows the most: 20,000 lb

Tradesman Regular Cab 8 ft box 6.7L Cummins I6 turbo diesel 4x2; three more configurations are rated the same.

Axle ratio
4.10 axle instead of 3.73
+2,490 to +2,500 lb
Same configuration otherwise · 7 pairs in the table

Best rating by engine

6.7L Cummins I6 turbo diesel20,000 lb
6.4L HEMI V817,540 lb

The line is the highest rating on this page. Each bar is that engine’s best configuration.

03 / By year

Ram 2500 towing by model year

The highest rating each model year, from that year’s documents. Years rated the same in every configuration share one page.

04 / Next

Check it against your load

Towing calculatorPut your trailer and cargo against a 2021 Ram 2500’s ratings and see what’s left.Check my load GVWR, GCWR & payloadWhat each rating limits, and why the trailer number alone isn’t the answer.Read the guide Ram 2500 specsClearance, angles, weights and the rig builder for every configuration.Open the spec plate Ram 2500 tire sizesStock tire and wheel sizes by trim, and what bigger tires change.See tire sizes All towing capacitiesEvery truck and SUV we cover, side by side, sortable.Compare vehicles

05 / FAQ

Questions people ask

Which 2021 Ram 2500 configuration tows the most?

The Tradesman Regular Cab 8 ft box 6.7L Cummins I6 turbo diesel 4x2, at 20,000 lb; three more configurations are rated the same.

What is the GCWR of the 2021 Ram 2500?

18,000–27,980 lb by configuration; the most is 27,980 lb, for the Tradesman Crew Cab 6 ft 4 in box 6.7L Cummins I6 turbo diesel 4x4. GCWR is the most the loaded vehicle and its loaded trailer may weigh together.

Has the Ram 2500’s towing capacity changed by year?

Highest rating by model year: 2026, 20,000 lb; 2025, 20,000 lb; 2024, 20,000 lb; 2021, 20,000 lb; 2020, 19,680 lb; 2019, 19,780 lb; 2018, 17,980 lb; 2017, 17,980 lb; 2016, 17,980 lb; 2015, 17,970 lb; 2014, 17,970 lb; 2013, 18,350 lb; 2012, 15,500 lb; 2011, 15,450 lb; 2010, 13,450 lb.

Does the engine change the 2021 Ram 2500’s towing capacity?

Yes. Best rating by engine: 6.7L Cummins I6 turbo diesel, 20,000 lb; 6.4L HEMI V8, 17,540 lb.

Which 2021 Ram 2500 configuration tows the least?

The Power Wagon Crew Cab 6 ft 4 in box 6.4L HEMI V8 4x4 with the RamBox, at 10,440 lb.

What is the GVWR of the 2021 Ram 2500?

8,565–10,000 lb by configuration; the most is 10,000 lb, for the Tradesman Regular Cab 8 ft box 6.4L HEMI V8 4x2 with the 3.73 axle ratio. GVWR is the most the vehicle may weigh with its people, cargo and the trailer’s tongue weight aboard.

These are Ram’s published ratings, not a weighbridge. Your own vehicle’s GVWR and axle ratings are on its certification label, and only a scale tells you what your loaded rig weighs. Found a figure that doesn’t match the document? Tell us.